X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fparams.h;h=0bf8961fd0e3e8e866e40e6bc9c60fd170ca3c52;hb=b3f86a4f3fb7430f84442dcbb34db85625c7d44c;hp=d97e7bbc396827faf7fb2e8fb83bf6b0c08a9eb7;hpb=9159979b4644af28303f47166397aa5d3802b115;p=pf3gnuchains%2Fgcc-fork.git diff --git a/gcc/params.h b/gcc/params.h index d97e7bbc396..0bf8961fd0e 100644 --- a/gcc/params.h +++ b/gcc/params.h @@ -1,25 +1,23 @@ /* params.h - Run-time parameters. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. Written by Mark Mitchell . -This file is part of GNU CC. +This file is part of GCC. -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. -GNU CC is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. - -*/ +along with GCC; see the file COPYING3. If not see +. */ /* This module provides a means for setting integral parameters dynamically. Instead of encoding magic numbers in various places, @@ -32,8 +30,8 @@ Boston, MA 02111-1307, USA. Since their values can be set on the command-line, these parameters should not be used for non-dynamic memory allocation. */ -#ifndef PARAMS_H -#define PARAMS_H +#ifndef GCC_PARAMS_H +#define GCC_PARAMS_H /* No parameter shall have this value. */ @@ -45,9 +43,19 @@ typedef struct param_info { /* The name used with the `--param =' switch to set this value. */ - const char *option; - /* The associated value. */ - int value; + const char *const option; + + /* The default value. */ + int default_value; + + /* Minimum acceptable value. */ + int min_value; + + /* Maximum acceptable value, if greater than minimum */ + int max_value; + + /* A short description of the option. */ + const char *const help; } param_info; /* An array containing the compiler parameters and their current @@ -55,40 +63,161 @@ typedef struct param_info extern param_info *compiler_params; +/* Returns the number of entries in the table, for the use by plugins. */ +extern size_t get_num_compiler_params (void); + /* Add the N PARAMS to the current list of compiler parameters. */ -extern void add_params - PARAMS ((const param_info params[], size_t n)); +extern void add_params (const param_info params[], size_t n); -/* Set the VALUE associated with the parameter given by NAME. */ +/* Set the VALUE associated with the parameter given by NAME in the + table PARAMS using PARAMS_SET to indicate which have been + explicitly set. */ -extern void set_param_value - PARAMS ((const char *name, int value)); +extern void set_param_value (const char *name, int value, + int *params, int *params_set); /* The parameters in use by language-independent code. */ typedef enum compiler_param { -#define DEFPARAM(ENUM, OPTION, HELP, DEFAULT) \ - ENUM, +#define DEFPARAM(enumerator, option, msgid, default, min, max) \ + enumerator, #include "params.def" -#undef DEFPARAM +#undef DEFPARAM LAST_PARAM } compiler_param; -/* The value of the parameter given by ENUM. */ +/* The value of the parameter given by ENUM. Not an lvalue. */ #define PARAM_VALUE(ENUM) \ - (compiler_params[(int) ENUM].value) - + ((int) global_options.x_param_values[(int) ENUM]) + +/* Set the value of the parameter given by NUM to VALUE, implicitly, + if it has not been set explicitly by the user, in the table PARAMS + using PARAMS_SET to indicate which have been explicitly set. */ + +extern void maybe_set_param_value (compiler_param num, int value, + int *params, int *params_set); + +/* Set the default value of a parameter given by NUM to VALUE, before + option processing. */ + +extern void set_default_param_value (compiler_param num, int value); + +/* Add all parameters and default values that can be set in both the + driver and the compiler proper. */ + +extern void global_init_params (void); + +/* Note that all parameters have been added and all default values + set. */ +extern void finish_params (void); + +/* Return the default value of parameter NUM. */ + +extern int default_param_value (compiler_param num); + +/* Initialize an array PARAMS with default values of the + parameters. */ +extern void init_param_values (int *params); + /* Macros for the various parameters. */ +#define MAX_INLINE_INSNS_SINGLE \ + PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SINGLE) #define MAX_INLINE_INSNS \ PARAM_VALUE (PARAM_MAX_INLINE_INSNS) +#define MAX_INLINE_SLOPE \ + PARAM_VALUE (PARAM_MAX_INLINE_SLOPE) +#define MIN_INLINE_INSNS \ + PARAM_VALUE (PARAM_MIN_INLINE_INSNS) +#define MAX_INLINE_INSNS_AUTO \ + PARAM_VALUE (PARAM_MAX_INLINE_INSNS_AUTO) +#define MAX_VARIABLE_EXPANSIONS \ + PARAM_VALUE (PARAM_MAX_VARIABLE_EXPANSIONS) +#define MIN_VECT_LOOP_BOUND \ + PARAM_VALUE (PARAM_MIN_VECT_LOOP_BOUND) #define MAX_DELAY_SLOT_INSN_SEARCH \ PARAM_VALUE (PARAM_MAX_DELAY_SLOT_INSN_SEARCH) #define MAX_DELAY_SLOT_LIVE_SEARCH \ PARAM_VALUE (PARAM_MAX_DELAY_SLOT_LIVE_SEARCH) +#define MAX_PENDING_LIST_LENGTH \ + PARAM_VALUE (PARAM_MAX_PENDING_LIST_LENGTH) #define MAX_GCSE_MEMORY \ ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_MEMORY)) - -#endif /* PARAMS_H */ +#define MAX_GCSE_INSERTION_RATIO \ + ((size_t) PARAM_VALUE (PARAM_MAX_GCSE_INSERTION_RATIO)) +#define GCSE_AFTER_RELOAD_PARTIAL_FRACTION \ + PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION) +#define GCSE_AFTER_RELOAD_CRITICAL_FRACTION \ + PARAM_VALUE (PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION) +#define GCSE_COST_DISTANCE_RATIO \ + PARAM_VALUE (PARAM_GCSE_COST_DISTANCE_RATIO) +#define GCSE_UNRESTRICTED_COST \ + PARAM_VALUE (PARAM_GCSE_UNRESTRICTED_COST) +#define MAX_HOIST_DEPTH \ + PARAM_VALUE (PARAM_MAX_HOIST_DEPTH) +#define MAX_UNROLLED_INSNS \ + PARAM_VALUE (PARAM_MAX_UNROLLED_INSNS) +#define MAX_SMS_LOOP_NUMBER \ + PARAM_VALUE (PARAM_MAX_SMS_LOOP_NUMBER) +#define SMS_MAX_II_FACTOR \ + PARAM_VALUE (PARAM_SMS_MAX_II_FACTOR) +#define SMS_DFA_HISTORY \ + PARAM_VALUE (PARAM_SMS_DFA_HISTORY) +#define SMS_LOOP_AVERAGE_COUNT_THRESHOLD \ + PARAM_VALUE (PARAM_SMS_LOOP_AVERAGE_COUNT_THRESHOLD) +#define INTEGER_SHARE_LIMIT \ + PARAM_VALUE (PARAM_INTEGER_SHARE_LIMIT) +#define MAX_LAST_VALUE_RTL \ + PARAM_VALUE (PARAM_MAX_LAST_VALUE_RTL) +#define MIN_VIRTUAL_MAPPINGS \ + PARAM_VALUE (PARAM_MIN_VIRTUAL_MAPPINGS) +#define VIRTUAL_MAPPINGS_TO_SYMS_RATIO \ + PARAM_VALUE (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO) +#define MAX_FIELDS_FOR_FIELD_SENSITIVE \ + ((size_t) PARAM_VALUE (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE)) +#define MAX_SCHED_READY_INSNS \ + PARAM_VALUE (PARAM_MAX_SCHED_READY_INSNS) +#define PREFETCH_LATENCY \ + PARAM_VALUE (PARAM_PREFETCH_LATENCY) +#define SIMULTANEOUS_PREFETCHES \ + PARAM_VALUE (PARAM_SIMULTANEOUS_PREFETCHES) +#define L1_CACHE_SIZE \ + PARAM_VALUE (PARAM_L1_CACHE_SIZE) +#define L1_CACHE_LINE_SIZE \ + PARAM_VALUE (PARAM_L1_CACHE_LINE_SIZE) +#define L2_CACHE_SIZE \ + PARAM_VALUE (PARAM_L2_CACHE_SIZE) +#define USE_CANONICAL_TYPES \ + PARAM_VALUE (PARAM_USE_CANONICAL_TYPES) +#define IRA_MAX_LOOPS_NUM \ + PARAM_VALUE (PARAM_IRA_MAX_LOOPS_NUM) +#define IRA_MAX_CONFLICT_TABLE_SIZE \ + PARAM_VALUE (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE) +#define IRA_LOOP_RESERVED_REGS \ + PARAM_VALUE (PARAM_IRA_LOOP_RESERVED_REGS) +#define SWITCH_CONVERSION_BRANCH_RATIO \ + PARAM_VALUE (PARAM_SWITCH_CONVERSION_BRANCH_RATIO) +#define LOOP_INVARIANT_MAX_BBS_IN_LOOP \ + PARAM_VALUE (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) +#define SLP_MAX_INSNS_IN_BB \ + PARAM_VALUE (PARAM_SLP_MAX_INSNS_IN_BB) +#define MIN_INSN_TO_PREFETCH_RATIO \ + PARAM_VALUE (PARAM_MIN_INSN_TO_PREFETCH_RATIO) +#define PREFETCH_MIN_INSN_TO_MEM_RATIO \ + PARAM_VALUE (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO) +#define MIN_NONDEBUG_INSN_UID \ + PARAM_VALUE (PARAM_MIN_NONDEBUG_INSN_UID) +#define MAX_STORES_TO_SINK \ + PARAM_VALUE (PARAM_MAX_STORES_TO_SINK) +#define ALLOW_LOAD_DATA_RACES \ + PARAM_VALUE (PARAM_ALLOW_LOAD_DATA_RACES) +#define ALLOW_STORE_DATA_RACES \ + PARAM_VALUE (PARAM_ALLOW_STORE_DATA_RACES) +#define ALLOW_PACKED_LOAD_DATA_RACES \ + PARAM_VALUE (PARAM_ALLOW_PACKED_LOAD_DATA_RACES) +#define ALLOW_PACKED_STORE_DATA_RACES \ + PARAM_VALUE (PARAM_ALLOW_PACKED_STORE_DATA_RACES) + +#endif /* ! GCC_PARAMS_H */